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查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

leave of absence

na. 请假

复数:leaves of absence

1. He took a short leave of absence to attend to personal business.
他休了一个短假去处理私事。
2. He then said he would take a six-month leave of absence.
然后表示他将要休假六个月。
3. I think he really just needed a leave of absence from us.
我觉得他确实需要请假离开我们一段时间。
4. His doctor suggested that he take a short leave of absence.
他的医生建议他请假短时期休息休息。
5. Took a long leave of absence without detriment to her career.
他的未受教育对他的事业是一种严重的妨碍。